A218800 - cp's OEIS frontend

A218800 Number of nonnegative integer solutions to x^2 + 2y^2 = (3n)^2.

n	a(n)
0	1
1	2
2	2
3	3
4	2
5	2
6	3
7	2
8	2
9	4
10	2
11	5
12	3
13	2
14	2
15	3
16	2
17	5
18	4
19	5
20	2
21	3
22	5
23	2
24	3
25	2
26	2
27	5
28	2
29	2
30	3
31	2
32	2
33	8
34	5
35	2
36	4
37	2
38	5
39	3
40	2
41	5
42	3
43	5
44	5
45	4
46	2
47	2
48	3
49	2
50	2
51	8
52	2
53	2
54	5
55	5
56	2
57	8
58	2
59	5
60	3
61	2
62	2
63	4
64	2
65	2
66	8
67	5
68	5
69	3
70	2
71	2
72	4
73	5
74	2
75	3
76	5
77	5
78	3
79	2
80	2
81	6
82	5
83	5
84	3
85	5
86	5

[1, 2, 2, 3, 2, 2, 3, 2, 2, 4, 2, 5, 3, 2, 2, 3, 2, 5, 4, 5, 2, 3, 5, 2, 3, 2, 2, 5, 2, 2, 3, 2, 2, 8, 5, 2, 4, 2, 5, 3, 2, 5, 3, 5, 5, 4, 2, 2, 3, 2, 2, 8, 2, 2, 5, 5, 2, 8, 2, 5, 3, 2, 2, 4, 2, 2, 8, 5, 5, 3, 2, 2, 4, 5, 2, 3, 5, 5, 3, 2, 2, 6, 5, 5, 3, 5, 5]

cp's OEIS Frontend

A218800 Number of nonnegative integer solutions to x^2 + 2y^2 = (3n)^2.

Table of values

List of values

n	a(n)
0	1
1	2
2	2
3	3
4	2
5	2
6	3
7	2
8	2
9	4
10	2
11	5
12	3
13	2
14	2
15	3
16	2
17	5
18	4
19	5
20	2
21	3
22	5
23	2
24	3
25	2
26	2
27	5
28	2
29	2
30	3
31	2
32	2
33	8
34	5
35	2
36	4
37	2
38	5
39	3
40	2
41	5
42	3
43	5
44	5
45	4
46	2
47	2
48	3
49	2
50	2
51	8
52	2
53	2
54	5
55	5
56	2
57	8
58	2
59	5
60	3
61	2
62	2
63	4
64	2
65	2
66	8
67	5
68	5
69	3
70	2
71	2
72	4
73	5
74	2
75	3
76	5
77	5
78	3
79	2
80	2
81	6
82	5
83	5
84	3
85	5
86	5

n	a(n)
0	1
1	2
2	2
3	3
4	2
5	2
6	3
7	2
8	2
9	4
10	2
11	5
12	3
13	2
14	2
15	3
16	2
17	5
18	4
19	5
20	2
21	3
22	5
23	2
24	3
25	2
26	2
27	5
28	2
29	2
30	3
31	2
32	2
33	8
34	5
35	2
36	4
37	2
38	5
39	3
40	2
41	5
42	3
43	5
44	5
45	4
46	2
47	2
48	3
49	2
50	2
51	8
52	2
53	2
54	5
55	5
56	2
57	8
58	2
59	5
60	3
61	2
62	2
63	4
64	2
65	2
66	8
67	5
68	5
69	3
70	2
71	2
72	4
73	5
74	2
75	3
76	5
77	5
78	3
79	2
80	2
81	6
82	5
83	5
84	3
85	5
86	5

n	a(n)
0	1
1	2
2	2
3	3
4	2
5	2
6	3
7	2
8	2
9	4
10	2
11	5
12	3
13	2
14	2
15	3
16	2
17	5
18	4
19	5
20	2
21	3
22	5
23	2
24	3
25	2
26	2
27	5
28	2
29	2
30	3
31	2
32	2
33	8
34	5
35	2
36	4
37	2
38	5
39	3
40	2
41	5
42	3
43	5
44	5
45	4
46	2
47	2
48	3
49	2
50	2
51	8
52	2
53	2
54	5
55	5
56	2
57	8
58	2
59	5
60	3
61	2
62	2
63	4
64	2
65	2
66	8
67	5
68	5
69	3
70	2
71	2
72	4
73	5
74	2
75	3
76	5
77	5
78	3
79	2
80	2
81	6
82	5
83	5
84	3
85	5
86	5